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45 lines
1.2 KiB
45 lines
1.2 KiB
5 years ago
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class Admins::SubjectQuery < ApplicationQuery
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include CustomSortable
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attr_reader :params
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sort_columns :created_at, default_by: :created_at, default_direction: :desc, default_table: 'subjects'
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def initialize(params)
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@params = params
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end
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def call
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subjects = Subject.all
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# 状态过滤
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status =
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case params[:status].to_s.strip
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when 'pending' then 0
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when 'applying' then 1
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when 'published' then 2
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end
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subjects = subjects.where(status: status) if status
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# 创建者单位
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if params[:school_id].present?
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subjects = subjects.joins(user: :user_extension).where(user_extensions: { school_id: params[:school_id] })
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end
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# 首页展示、金课
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%i[homepage_show excellent].each do |column|
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if params[column].present? && params[column].to_s == 'true'
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subjects = subjects.where(column => true)
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end
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end
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# 关键字
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keyword = params[:keyword].to_s.strip
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if keyword
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sql = 'CONCAT(lastname, firstname) LIKE :keyword OR subjects.name LIKE :keyword'
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subjects = subjects.joins(:user).where(sql, keyword: "%#{keyword}%")
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end
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custom_sort(subjects, params[:sort_by], params[:sort_direction])
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end
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end
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